We discuss the minimal model of “User buys an Item as a gift to another User” scenario; point out false links; try to make another step towards understanding 4NF and 5NF.
Why Minimal Modeling has no 3-way links
Why Minimal Modeling has no 3-way links
Why Minimal Modeling has no 3-way links
We discuss the minimal model of “User buys an Item as a gift to another User” scenario; point out false links; try to make another step towards understanding 4NF and 5NF.